Silicon Valley startup SiFive has opened pre-sales for its "HiFive Unleashed" single-board computer (SBC), a RISC-V-based board running Linux. The core chip is a 1.5GHz U540 SoC, equipped with 8GB of ...
1. Vacuum cleaner type Understand the type of vacuum cleaner and check what kind of battery it is suitable for. Generally, vacuum cleaners now use lithium batteries or nickel-metal hydride batteries. ...
Previously, when testing the Bluetooth routine STM32Cube\Repository\STM32Cube_FW_U5_V1.0.0\Projects\B-U585I-IOT02A\Applications\BLE\BLE_AT_Client, the serial port prompted this error.TX: ATRX:RX: ERRO...
HFSS simulation design processNew construction design project
1) Open ANSYS Electronics Desktop 2019 R2. A project Project1 is created by default. Right-click Project1, save and enter the project name...
How can this fully automatic multimeter measure whether the capacitor is broken? I measured the capacitor of an air conditioner 25UF, and the displayed number was 398. I don't understand it. Does anyo...
"PCB Current and Signal Integrity Design" focuses on physical concepts and avoids complex mathematical derivations. It explains the current source of basic circuits, the signal integrity problems caus...
Recently, the national standard "Method for calculating the mean trouble-free working time of industrial robots
" (Project No.: 20203803-T-604)
, drafted by Professor Han Xu of Hebei University...[Details]
1. Design of a fully functional subwoofer power amplifier
In the past, high-power amplifiers over 50W were usually made with discrete components. Including the subwoofer active speakers recent...[Details]
1. Overview The online flaw detection of steel plates in Jigang Medium and Thick Plate Plant adopts ultrasonic flaw detection system. According to the standard regulations or user requirements, speci...[Details]
Gloss meter is mainly used to measure the surface gloss of materials such as ceramics, paint, ink, plastic, marble, aluminum, and hardware. Precautions for using the Zetameter The gloss meter is a ...[Details]
According to Indiatimes, Wistron, the first company to produce iPhones in India, has recently withdrawn from Apple's OEM business in India, saying that Apple's tough price negotiations have prevented...[Details]
Oscilloscopes and spectrum analyzers are both essential test equipment in electronic testing and measurement, used to observe the time domain waveform and spectrum of signals respectively. The time d...[Details]
On September 27, the China New Energy International Summit was held in Chengdu. China Energy News Agency and China Energy Economics Research Institute released the list of the world's top 500 new e...[Details]
Recently, various provinces have launched massive investment plans to cope with the impact of the COVID-19 epidemic and the downward pressure on the economy. At the same time, the call for launchin...[Details]
According to the latest news from blogger @数码闲聊站 today, iQOO is about to launch two new mobile phones, which will be positioned as mid-range models. The blogger also said that one of the ne...[Details]
Custom Gallium Nitride (GaN) test boards for the Dynamic Power Device Analyzer/Double Pulse Tester (PD1500A) enable power converter designers at automotive Tier1 and OEMs to shorten prototype cycle...[Details]
1. Basic knowledge of LED
1. LED lighting principle
LED (Light Emitting Diode) is the abbreviation of light emitting diode. Diodes made of compounds of gallium (Ga), arsenic (AS) and phos...[Details]
Recently, Jiwei.com learned that after OPPO counter-sued Nokia for patent infringement in China and Europe in early September, OPPO recently filed multiple patent infringement lawsuits against Nokia ...[Details]
In addition to adding a new dark color scheme as part of its latest overhaul of the new in-car infotainment system, Google has also simplified the navigation bar and added other features that users h...[Details]
Today, solar energy has begun to shine. In many countries, solar energy is the lowest-cost energy option, both from a household and commercial perspective. Even if external costs are no...[Details]
On October 14, Yancheng City held the seventh press conference of the series of themed press conferences of "Carbon Road Pioneer" to further deepen reform and bravely develop new quality productivity....[Details]